Ernogrammus walkeri Follett&Powell, 1988. Masked Prickleback.To 29cm (11.4 in)SL(Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California). Monterey Bay, central California to San Miguel Island, southern California (Follett and Powell 1988). Benthic; depth: intertidal to 21 m (70 ft) (Follett and Powell 1988).